Cable Box User Manual

Confidential Page 5 02/27/03
Rev 0.2
Transition Part Number 449DTE-3
RS-449 DTE High Speed Serial Cable Pin-out (CAB-SS-449MT)
26-Pin Signal Name Note Direction DB-37 Pin Signal Name
Drain wire
Shell
Shield — Shell/cover
J2-01
Shield_GND
J1-22
J1-24
J1-26
MODE_I
MODE_DCE
GND
All Pins listed
connect to J1-26
GND
—
—
J2-19
J2-20
J2-37
SG
RC
SC
J1-01
J1-14
TXD/RXD+
TXD/RXD-
Twisted pair —>
—>
J2-04
J2-22
SD+
SD-
J1-03
J1-16
TXC/TXC+
TXC/TXC-
Twisted pair <—
<—
J2-05
J2-23
ST+
ST-
J1-05
J1-18
RXD/TXD+
RXD/TXD-
Twisted pair <—
<—
J2-06
J2-24
RD+
RD-
J1-08
J1-09
RTS/CTS
RTS/CTS-
Twisted pair —>
—>
J2-07
J2-25
RS+
RS-
J1-04
J1-17
RXC/TXCE+
RXC/TXCE-
Twisted pair <—
<—
J2-08
J2-26
RT+
RT-
J1-11
J1-10
CTS/RTS+
CTS/RTS-
Twisted pair <—
<—
J2-09
J2-27
CS+
CS-
J1-13 LL/LL+ —> J2-10 LL
J1-12
J1-25
DTR/DSR+
DTR/DSR-
Twisted pair <—
<—
J2-11
J2-29
DM+
DM-
J1-07
J1-20
DTR/DSR+
DTR/DSR-
Twisted pair —>
—>
J2-12
J2-30
TR+
TR-
J1-02
J1-15
TXCE/RXC+
TXCE/RXC-
Twisted pair —>
—>
J2-17
J2-35
TT+
TT-
J1-06
J1-19
DCD/DCD+
DCD/DCD-
Twisted pair <—
<—
J2-13
J2-31
RR+
RR-